[PATCH] relax check of page/bh state on I/O error

From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

Suppress a buffer_error() warning which occurs when a page which previously
had an I/O error gets its buffers stripped.

diff --git a/fs/buffer.c b/fs/buffer.c
index 5247132a081b9fcf018648b2d717ce464419fa08..e186204bf253ac53411337d93675dc5bcf4bd965 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2823,7 +2823,7 @@ drop_buffers(struct page *page, struct buffer_head **buffers_to_free)
                bh = bh->b_this_page;
        } while (bh != head);
 
-       if (!was_uptodate && PageUptodate(page))
+       if (!was_uptodate && PageUptodate(page) && !PageError(page))
                buffer_error();
 
        do {